Without its lining of mucus your stomach would digest itself.

In October 1999 an Iceberg the size of London broke free from the Antarctic ice shelf .

The temperature in Antarctica plummets as low as -35 degrees celsius.

The deepest part of any ocean in the world is the Mariana trench in the Pacific with a depth of 35,797 feet.

If every star in the Milky Way was a grain of salt they would fill an Olympic sized swimming pool.

An individual blood cell takes about 60 seconds to make a complete circuit of the body.

The thermometer was invented in 1607 by Galileo.

The wingspan of a Boeing 747 is longer than the Wright brother's first flight.